body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

/* -----------------------导航栏----------------------- */
#navbar {
    position: fixed;
    top: 0;         /* 顶部对齐 */
    left: 0;        /* 左侧对齐 */
    width: 100%;    /* 宽度延伸至全屏 */
    z-index: 1000;  /* 确保导航栏在最上层 */
    display: flex;
    justify-content:space-between; 
    align-items: center;
    background-color: #fff;
    /* padding: 1%; */
}

.logo img {
    
    margin-left: 70%;
    height: 80px;
}

.nav-links {
    
    list-style: none;
}

.nav-links li {
    color: #333;
    font-size: larger;
    display: inline-block;
    padding: 0 20px;
}

.nav-links li a {
    justify-content: flex-start;
    text-decoration:none;
    color: #333; 
    transition: color 0.3s ease;
}

.nav-links li a:hover {
    color: #3bbe7a;
}

.button {
    /* padding-left: 10%; */
    /* margin-right: 5%; */
    list-style: none; 
    text-decoration: none;
    padding: 5px;
    color: #3bbe7a;
    border: 1px solid #3bbe7a;
    border-radius: 5px;
    transition: all 0.3s ease;
    
}

.button:hover {
    color: #ffffff !important;
    background-color: #3bbe7a;
    border-color: #3bbe7a;
}

.burger {
    display: none;
}

@media screen and (max-width: 768px) {
    .burger {
        display: block;
    }

    .nav-links {
        display: none;
    }
}

/* -----------------------第一部分图像----------------------- */
.header-image {
    padding-top: 80px;
    width: 100%;
    display: block;
}

.header-image img {
    width: 100%;
    display: block;
}

/* -----------------------第二部分嵌入文字----------------------- */
.intro-text {
    text-align: center;
    padding: 50px;
    background-color: #f8f8f8; 
}

.intro-text h2 {
    color: #333;
    font-size: 27px; 
}
.intro-text p {
    
    width: 50%;
    margin: 0 auto;
    padding-top: 40px;
    color: #666;
    font-size: 16px; 
}
.green-line {
    width: 50px; 
    height: 2px;
    background-color: #6ac045; 
    margin: 10px auto; 
}

/* -----------------------第三部分动效----------------------- */
.counters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 50px;
  }
  
.counter-item {
    flex-basis: 22%;
    margin-left: 150px; /* 左边距 */
    margin-right: 150px; /* 右边距 */
    text-align: center;
}
  
.counter-row {
    display: flex;
    justify-content: center;
    width: 100%;
    margin: 20px;
}

.circle1 {
    background: url('images\weixincode.png');
    margin: 0 auto;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border: 10px solid #8bc34a;
    
    background-size: cover;
    background-position: center;
}

.circle2 {
    margin: 0 auto;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: url('jiankangguanli-1.jpg');
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border: 10px solid #8bc34a;
}

.circle3 {
    margin: 0 auto;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: url('jiankangguanli-1.jpg');
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border: 10px solid #8bc34a;
}

.circle4 {
    margin: 0 auto;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: url('jiankangguanli-1.jpg');
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border: 10px solid #8bc34a;
}
  
.number {
    font-size: 2em;
    color: #333;
}
  
.counter-item p {
    color: #666;
    margin-top: 10px;
}
  




/* -----------------------第四部分----------------------- */
.feature-section {
    text-align: center;
    margin: 40px 0;
  }
  
.feature-section h3 {
    color: #6ac045;
    margin-bottom: 20px;
    font-size: 27px;
}
  
.features {
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
}
  
.feature-item {
    width: 48%; 
  }
  
.feature-item img {
    width: 100%; 
    height: auto; 
}
  
.feature-item h4 {
    font-size: 18px;
    margin-top: 15px;
}
  
.feature-item p {
    color: #666;
    max-width: 50%; 
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}
  
/* -----------------------第五部分----------------------- */
.footer-images{
    display: block;
  }
.footer-images img {
    text-align: center; 
    max-width: 100%;
}
  


/* -----------------------底部----------------------- */
footer {
    background-color: #333;
    color: rgba(102,102,102,.8);
    display: flex;
    justify-content: space-between;
    align-items:normal;
    padding: 30px 100px; 
    
}

.footer-duiqi{
    flex-direction: column;
}
.footer-nav {
    display: flex;
  }
  
.footer-nav a {
    margin-top: auto;
    color: rgba(170,170,170,.8);
    text-decoration: none;
    margin-right: 20px;
}
  
.footer-nav a:last-child {
    margin-right: 0;
}
  
.footer-copy {
    margin-top: 10px;
}

.footer-icons {
    display:flex;
}
  
.footer-icons img {
    height: 50px;
    margin-left: 10px;
}



  